Finding the Fourth Proportional to 4,779,905.31, 7,170,570.54 and 1,705,656.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,779,905.31 : 7,170,570.54 = 1,705,656.69 : x
2. Step 2: Convert to fraction form
   4,779,905.31/7,170,570.54 = 1,705,656.69/x
3. Step 3: Cross multiply
   4,779,905.31x = 7,170,570.54 × 1,705,656.69
4. Step 4: Simplify right side
   4,779,905.31x = 12,230,531,612,667.91
5. Step 5: Solve for x
   x = 12,230,531,612,667.91/4,779,905.31
6. Step 6: Final answer
   x = 2,558,739.31